From: Will Deacon <will@kernel.org>
To: Mark Rutland <mark.rutland@arm.com>,
linux-arm-kernel@lists.infradead.org
Cc: catalin.marinas@arm.com, kernel-team@android.com,
Will Deacon <will@kernel.org>,
peterz@infradead.org, ravi.bangoria@amd.com, j@jannau.net,
ecurtin@redhat.com, lina@asahilina.net, asahi@lists.linux.dev,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] arm_pmu: fix fallout from context handling rewrite
Date: Thu, 16 Feb 2023 22:14:29 +0000 [thread overview]
Message-ID: <167658263371.3504721.1571106036263387483.b4-ty@kernel.org> (raw)
In-Reply-To: <20230216141240.3833272-1-mark.rutland@arm.com>
On Thu, 16 Feb 2023 14:12:37 +0000, Mark Rutland wrote:
> Janne reports [1] that perf has been broken on Apple M1 as of commit:
>
> bd27568117664b8b ("perf: Rewrite core context handling")
>
> This is due to changes to pmu::filter_match() and
> arm_pmu::filter_match(), which have been renamed and had their polarity
> inverted, but the conversion was inconsistent, and so in some cases we
> return the opposite result relative to what we had intended. This
> results in consistently losing events on Apple M1.
>
> [...]
Applied to arm64 (for-next/fixes), thanks!
[1/2] arm_pmu: fix event CPU filtering
https://git.kernel.org/arm64/c/61d038627343
[2/2] arm64: perf: reject CHAIN events at creation time
https://git.kernel.org/arm64/c/853e2dac25c1
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
prev parent reply other threads:[~2023-02-16 22:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-16 14:12 [PATCH 0/2] arm_pmu: fix fallout from context handling rewrite Mark Rutland
2023-02-16 14:12 ` [PATCH 1/2] arm_pmu: fix event CPU filtering Mark Rutland
2023-02-16 14:35 ` Janne Grunau
2023-02-16 15:13 ` Mark Rutland
2023-02-16 15:17 ` Will Deacon
2023-02-16 14:12 ` [PATCH 2/2] arm64: perf: reject CHAIN events at creation time Mark Rutland
2023-02-16 22:14 ` Will Deacon [this message]
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